.app-advert {
  height: 100%;
  justify-content: space-between;
}
.app-advert .header {
  width: 100%;
  height: 44px;
  line-height: 44px;
  text-align: center;
}
.app-advert .banner {
  background-image: url(../imgs/advertisement-bg.jpg);
  background-repeat: no-repeat;
  background-size: 1000px;
  background-position: center;
  position: relative;
}
.app-advert .banner .skip {
  width: 110px;
  height: 44px;
  position: absolute;
  top: 28px;
  right: 14px;
  border-radius: 20px;
  background-color: #fff;
  text-align: center;
  line-height: 40px;
}
.app-advert .banner .text {
  width: 100%;
  position: absolute;
  text-align: center;
  color: #fff;
  animation: texiao 1s linear forwards;
}
@keyframes texiao {
  0% {
    font-size: 0px;
    bottom: 200px;
    display: none;
  }
  25% {
    font-size: 12px;
    bottom: 240px;
    display: block;
  }
  50% {
    font-size: 32px;
    bottom: 100px;
  }
  100% {
    font-size: 44px;
    bottom: 124px;
  }
}
